The Sunni-Shiite conflict erupted again in Lebanon on Tuesday, killing dozens and injuring many more. Lebanon has been relatively calm in recent years, but there have been concerns Syrian violence would spill over. Plus, local government corruption is slowing the typhoon response in the Philippines and Parisians are developing a taste for grasshoppers.

Famed Renaissance artist Leonardo Da Vinci detailed a design for a new instrument in his Codex Altanticus. But it never moved beyond his sketchbook. Now, more than 500 years later Polish pianist Slawomir Zubrzycki has built and played the inventor's viola organista.

Continuing revelations from Edward Snowden are feeding the political humor mill around the world, as they also feed anger among US allies. In today's Global Scan, we find at least one leader who doesn't have to worry about US electronic eavesdropping. And we find new uses for ktichenware, from spamming to political protest.

Reporter Megan Williams tells us about an effort under way at a former convent in Florence, Italy to identify the remains of the woman who might have been the model for Leonardo da Vinci's "Mona Lisa."

Famed Renaissance artist Leonardo Da Vinci detailed a design for a new instrument in his Codex Altanticus. But it never moved beyond his sketchbook. Now, more than 500 years later Polish pianist Slawomir Zubrzycki has built and played the inventor's viola organista.

Reporter Megan Williams tells us about an effort under way at a former convent in Florence, Italy to identify the remains of the woman who might have been the model for Leonardo da Vinci's "Mona Lisa."

Continuing revelations from Edward Snowden are feeding the political humor mill around the world, as they also feed anger among US allies. In today's Global Scan, we find at least one leader who doesn't have to worry about US electronic eavesdropping. And we find new uses for ktichenware, from spamming to political protest.

The Sunni-Shiite conflict erupted again in Lebanon on Tuesday, killing dozens and injuring many more. Lebanon has been relatively calm in recent years, but there have been concerns Syrian violence would spill over. Plus, local government corruption is slowing the typhoon response in the Philippines and Parisians are developing a taste for grasshoppers.